11) In what year did Columbus sail to America?
12) What was the main cause of the American Revolution?
13) How many US Presidents have there been?
14) Who was the leader of the Soviet Union during World War II?
15) Which President signed the Emancipation Proclamation that freed slaves?
16) When did the Declaration of Independence get signed?
17) What is the name of the first president of the United States?
18) How many colonies were there at the time of the American Revolution?
19) What was the purpose of the Magna Carta?
20) Who wrote the words to The Star-Spangled Banner?